1

alloy

noun al·loy \ ˈa-ˌlȯi also ə-ˈlȯi \
|Updated on: 7 Jun 2018

Definition of alloy

1 : the degree of mixture with base metals : fineness
2 : a substance composed of two or more metals or of a metal and a nonmetal intimately united usually by being fused together and dissolving in each other when molten; also : the state of union of the components
3 a : an admixture that lessens value
b : an impairing alien element
4 : a compound, mixture, or union of different things
  • an ethnic alloy of many peoples
5 archaic : a metal mixed with a more valuable metal to give durability or some other desired quality

Examples of alloy in a Sentence

  1. testing the properties of various alloys

  2. a part made of aluminum alloy

Recent Examples of alloy from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'alloy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of alloy

French aloi, from Old French alei, from aleir to combine, from Latin alligare to bind — more at ally

Other Metals and Metallurgy Terms


2

alloy

verb al·loy \ ə-ˈlȯi also ˈa-ˌlȯi \

Definition of alloy

alloyed; alloying; alloys
1 a : temper, moderate
b : to impair or debase by admixture
2 : to reduce the purity of by mixing with a less valuable metal
3 : to mix so as to form an alloy
: to lend itself to being alloyed
  • iron alloys well

Recent Examples of alloy from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'alloy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of alloy

1625

in the meaning defined at sense 3

See Words from the same year
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ALLOY Defined for English Language Learners

alloy

Definition of alloy for English Language Learners

  • : a metal made by melting and mixing two or more metals or a metal and another material together


ALLOY Defined for Kids

alloy

noun al·loy \ ˈa-ˌlȯi , ə-ˈlȯi \

Definition of alloy for Students

: a substance made of two or more metals melted together Brass is an alloy of copper and zinc.

Medical Dictionary

alloy

noun al·loy \ ˈal-ˌȯi , ə-ˈlȯi \

medical Definition of alloy

1 : the degree of mixture with base metals
2 : a substance composed of two or more metals or of a metal and a nonmetal intimately united usually by being fused together and dissolving in each other when molten; also : the state of union of the components

alloy

play \ə-ˈlȯi, ˈal-ˌȯi\ transitive verb


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